void
configure_commit(void)
{
struct dhcp6_ifconf *ifc;
struct dhcp6_if *ifp;
/* commit interface configuration */
for (ifc = dhcp6_ifconflist; ifc; ifc = ifc->next) {
if ((ifp = find_ifconfbyname(ifc->ifname)) != NULL) {
ifp->send_flags = ifc->send_flags;
ifp->allow_flags = ifc->allow_flags;
dhcp6_clear_list(&ifp->reqopt_list);
ifp->reqopt_list = ifc->reqopt_list;
TAILQ_INIT(&ifc->reqopt_list);
dhcp6_clear_list(&ifp->addr_list);
ifp->addr_list = ifc->addr_list;
TAILQ_INIT(&ifc->addr_list);
dhcp6_clear_list(&ifp->prefix_list);
ifp->prefix_list = ifc->prefix_list;
TAILQ_INIT(&ifc->prefix_list);
clear_option_list(&ifp->option_list);
ifp->option_list = ifc->option_list;
TAILQ_INIT(&ifc->option_list);
ifp->server_pref = ifc->server_pref;
/* Foxconn added start pling 09/07/2010 */
/* configure user-class */
if (dhcp6_mode == DHCP6_MODE_CLIENT)
strcpy(ifp->user_class, ifc->user_class);
/* Foxconn added end pling 09/07/2010 */
memcpy(&ifp->iaidinfo, &ifc->iaidinfo, sizeof(ifp->iaidinfo));
}
}
clear_ifconf(dhcp6_ifconflist);
/* commit prefix configuration */
if (host_conflist) {
/* clear previous configuration. (need more work?) */
clear_hostconf(host_conflist);
}
host_conflist = host_conflist0;
host_conflist0 = NULL;
}
void
ifinit(const char *ifname)
{
struct dhcp6_if *ifp;
if ((ifp = find_ifconfbyname(ifname)) != NULL) {
dprintf(LOG_NOTICE, "%s" "duplicated interface: %s",
FNAME, ifname);
return;
}
if ((ifp = malloc(sizeof(*ifp))) == NULL) {
dprintf(LOG_ERR, "%s" "malloc failed", FNAME);
goto die;
}
memset(ifp, 0, sizeof(*ifp));
TAILQ_INIT(&ifp->event_list);
if ((ifp->ifname = strdup(ifname)) == NULL) {
dprintf(LOG_ERR, "%s" "failed to copy ifname", FNAME);
goto die;
}
if ((ifp->ifid = if_nametoindex(ifname)) == 0) {
dprintf(LOG_ERR, "%s" "invalid interface(%s): %s", FNAME,
ifname, strerror(errno));
goto die;
}
#ifdef HAVE_SCOPELIB
if (inet_zoneid(AF_INET6, 2, ifname, &ifp->linkid)) {
dprintf(LOG_ERR, "%s" "failed to get link ID for %s",
FNAME, ifname);
goto die;
}
#else
ifp->linkid = ifp->ifid; /* XXX */
#endif
if (get_linklocal(ifname, &ifp->linklocal) < 0)
goto die;
ifp->next = dhcp6_if;
dhcp6_if = ifp;
return;
die:
exit(1);
}
int
netlink_recv( int fd,
struct dhcp6_if **pp_if)
{
int status;
struct msghdr msg;
struct sockaddr_nl dest_addr;
struct nlmsghdr *nlh;
struct iovec iov;
struct dad_failed_msg_t *dad_msg;
nlh = (struct nlmsghdr *)malloc(NLMSG_SPACE(sizeof(struct dad_failed_msg_t)));
if (!nlh) {
dprintf(LOG_INFO, FNAME, "malloc failed\n");
return 2;
}
memset(nlh, 0, NLMSG_SPACE(sizeof(struct dad_failed_msg_t)));
iov.iov_base = (void *)nlh;
iov.iov_len = NLMSG_SPACE(sizeof(struct dad_failed_msg_t));
msg.msg_name = (void *)&dest_addr;
msg.msg_namelen = sizeof(dest_addr);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
dprintf(LOG_INFO, FNAME, "Starting recv,iov length is %d",(int)iov.iov_len);
status = recvmsg(fd, &msg, 0);
if (status < 0) {
// close(fd);
free(nlh);
dprintf(LOG_INFO, FNAME, "recvmsg failed, error: %s", strerror(errno) );
return 1;
}
if (iov.iov_len == nlh->nlmsg_len) {
dad_msg = (struct dad_failed_msg_t *)NLMSG_DATA(nlh);
#define ADDR_PREFIX_FMT "%04X:%04X:%04X:%04X:%04X:%04X:%04X:%04X/%d"
#define ADDR_PREFIX_PARAM(dad_msg) dad_msg->addr.s6_addr16[0],\
dad_msg->addr.s6_addr16[1],\
dad_msg->addr.s6_addr16[2],\
dad_msg->addr.s6_addr16[3],\
dad_msg->addr.s6_addr16[4],\
dad_msg->addr.s6_addr16[5],\
dad_msg->addr.s6_addr16[6],\
dad_msg->addr.s6_addr16[7],\
dad_msg->prefix_len
dprintf(LOG_INFO, FNAME, "DAD failed on interface %s,Address:" ADDR_PREFIX_FMT, dad_msg->name, ADDR_PREFIX_PARAM(dad_msg));
}
free(nlh);
// close(fd);
struct dhcp6_if *ifp = NULL;
if ((ifp = find_ifconfbyname(dad_msg->name)) == NULL) {
dprintf(LOG_INFO, FNAME,
"failed to find interface configuration for %s",
dad_msg->name);
return 11;
}
// returned value
memcpy( &(ifp->addr.s6_addr32), &(dad_msg->addr.s6_addr32), sizeof( struct in6_addr ) );
*pp_if = ifp;
dprintf(LOG_INFO, FNAME, "Then we should send DH6_DECLINE to: %s", ifp->ifname );
return 0;
}
